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- Drive-Google X Logout Successhil X O- Mail- Mariin, And X e Kegistration-Lifer X Sign pw.com/iln/takeAssignment/takeCovalentActivity.do?locator=assignment-take Clear All (C,H3),NH, Stronger Bronsted-Lowry acid Weaker Bronsted-Lowry acid NO, (C;H3)½NH Stronger Bronsted-Lowry base HNO2 Weaker Bronsted-Lowry base Cengage Learning | Cengage Technical Support a WEdit History Bookmarks Profiles Tab Window Help View page-General Chemistry x 6 Pearson MyLab and Mastering x I Course Home Acid and Base lonization Const X envellum.ecollege.com/course.html?courseld3D17238291&OpenVellumHMAC=b5d99ca5abc343615f7c3fe5e11934a4#10001 BetaNAME: DATE: GRADE AND SECTION: SCIENCE 7 WEEK 4 ACIDS AND BASES Atter watching a video demonstration of Ms. Adrylle Shane Cartago of Grade 7- Makopa sent in your FB by the table below than wite your answer in each row. The first one is done for you. Color of indicator-a color of the substance change after applying the egaplant peel indicator. Nature of Sample: Weakly acidic - blue Strongiy Acidic- red to pale red Weakly Basic - Green Strongly Basic- yellow COLOR OF INDICATOR SAMPLE NATURE OF SAMPLE Calamansi Tap water Distilled Water Vinegar Sugar in water Baking soda Cornstarch Soft drink (sprite). Bleach Shampoo RED STRONGLY ACIDIC WEAKLY ACIDIC/ NEUTRAL BLUE After the watching the demonstration of Ms. Adrylle Shane Cartago of Grade 7. Makopa, answer the tollowing questions. 1. Why are egaplant peel or camote leaves used as acid and basic indicators 2. Explain why tap water retains the color of the indicator put on it in an experiment. REFLECTION: Make a relection about our topic by…
- = 48 = 49 50 51 = 52 = 53 = 54 = 55 = 56 57 - 58 - 59 For a certain acid pK, = 6.79. Calculate the pH at which an aqueous solution of this acid would be 0.32% dissociated. Round your answer to 2 decimal places. %3D pH = 0 %3D Continue Submit Assignment O 2020 McGraw-Hill Education. All Rights Reserved. Terms of Use | Privacy I Accessibility 吕0 DI DD.cengagenow.com/ilrn/takeAssignment/takeCovalentActivity.d✩ ✦ [Review Topics] [References] Use the References to access important values if needed for this question. Rank the following solutions according to their acidity: Solution 1 pH=11 Solution 2 H₂O Solution 3 [OH] = 10 M Submit Answer 105 M Retry Entire Group Rank 1 more group attempt remainingI Normal 1 No Spac.. Heading 1 Heading 2 Title Styles Paragraph 5. Fill in the following table: [H3O"] РОН [OH'] ACID or BASE pH 7.21 9.84 x 10° M 3.25 2.64 x 102 M 2.49
- с СGН;NH3NO3, NaNO3, NaOн, НОС,Hs, КОC, Hs, CеH,NH>, HNO3 K»(C,H;NH2) = 3.8 x 10-10 K (HOC, H5) = 1.6 x 10-10 Increasing pH of 0.15-M solution Drag and drop your selection from the following list to complete the answer: HNO3 C6 H; NH2 HOCG H5 NaNO3 C6 H; NH3 NO3 NaOH KOC, H;Use the Ref Rank the following solutions according to their acidity: Rank Solution 1 pH= 11 Solution 2 H30* = 101 M Solution 3 [OH ]= 10-8 M Submit Answer Retry Entire Group 4 more group attempts remainingQ4) What are some real-world applications in which pH is an important factor? Please list your citations.
- 3 Determine the pH of 5.416 x 10-8 M of HCl. (use the systematic treatment) Determine the pH of 7.814 x 10-6 M of KOH Determine the [O H-] when the pH is 8.5614 Determine the pH when 1.30 x 10-5 M CH3COOH where it’s Ka is 1.75 x 10-5. Determine the pH when 1.330 M Methylamine where it’s Kb is 4.292 x 10-4.Complete the following table "predicted pH." Please show all work on a separate sheet of paper and attach. Note that the pK, of H₂PO4 is 7.2. Actual pH Predicted pH Original After 45 µL of 5 M NaOH solution 4.30 6.05 After 205 μL more of 5M NaOH 6.90 After 205 μL more of 5M NaOH 11.01 After 45 μL more of 5 M NaOH 11.29Complete the table below. Be sure each of your answer entries has the correct number of significant digits. You may assume the temperature is 25 °C. conjugate acid conjugate base formula K. K, formula – 10 4.9 x 10 HCN CIO 3.3 x 10, C,H,N -9 1.7 x 10 Check 02022 McGraw Hill LLC Aa Rights Reserved Terms of UseI Privacy Center Accessibil Explanation (996) be here to search
